package com.smart.community.region.controller;

import com.smart.community.feign.region.dto.HouseholdInfoDTO;
import com.smart.community.feign.region.dto.BuildingInfoDTO;
import com.smart.community.feign.region.dto.UnitInfoDTO;
import com.smart.community.feign.region.dto.CommunityInfoDTO;
import com.smart.community.region.service.IHouseholdService;
import com.smart.community.region.service.IBuildingService;
import com.smart.community.region.service.IUnitService;
import com.smart.community.region.service.ICommunityService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.Collections;
import java.util.List;

/**
 * 区域数据Feign接口实现Controller
 * 提供房户、楼栋、单元、社区等基础数据查询接口，不进行权限验证
 * 
 * @author Wu.Liang
 * @since 2025-01-30
 */
@Slf4j
@RestController
@RequestMapping("/feign/region")
public class RegionDataFeignController {

    @Autowired
    private IHouseholdService householdService;

    @Autowired
    private IBuildingService buildingService;

    @Autowired
    private IUnitService unitService;

    @Autowired
    private ICommunityService communityService;

    /**
     * 根据房户ID获取房户信息
     * 
     * @param householdId 房户ID
     * @return 房户信息
     */
    @GetMapping("/region/household/{householdId}")
    public HouseholdInfoDTO getHouseholdById(@PathVariable("householdId") Long householdId) {
        log.info("Feign接口：根据房户ID获取房户信息，householdId: {}", householdId);
        // TODO: 待IHouseholdService实现getHouseholdByIdForFeign方法
        log.warn("Feign接口：IHouseholdService.getHouseholdByIdForFeign方法尚未实现");
        return null;
    }

    /**
     * 根据楼栋ID获取楼栋信息
     * 
     * @param buildingId 楼栋ID
     * @return 楼栋信息
     */
    @GetMapping("/region/building/{buildingId}")
    public BuildingInfoDTO getBuildingById(@PathVariable("buildingId") Long buildingId) {
        log.info("Feign接口：根据楼栋ID获取楼栋信息，buildingId: {}", buildingId);
        // TODO: 待IBuildingService实现getBuildingByIdForFeign方法
        log.warn("Feign接口：IBuildingService.getBuildingByIdForFeign方法尚未实现");
        return null;
    }

    /**
     * 根据单元ID获取单元信息
     * 
     * @param unitId 单元ID
     * @return 单元信息
     */
    @GetMapping("/region/unit/{unitId}")
    public UnitInfoDTO getUnitById(@PathVariable("unitId") Long unitId) {
        log.info("Feign接口：根据单元ID获取单元信息，unitId: {}", unitId);
        // TODO: 待IUnitService实现getUnitByIdForFeign方法
        log.warn("Feign接口：IUnitService.getUnitByIdForFeign方法尚未实现");
        return null;
    }

    /**
     * 根据社区ID获取社区信息
     * 
     * @param communityId 社区ID
     * @return 社区信息
     */
    @GetMapping("/region/community/{communityId}")
    public CommunityInfoDTO getCommunityById(@PathVariable("communityId") Long communityId) {
        log.info("Feign接口：根据社区ID获取社区信息，communityId: {}", communityId);
        try {
            return communityService.getCommunityByIdForFeign(communityId);
        } catch (Exception e) {
            log.error("Feign接口：根据社区ID获取社区信息失败，communityId: {}", communityId, e);
            return null;
        }
    }

    /**
     * 批量获取房户信息
     * 
     * @param householdIds 房户ID列表
     * @return 房户信息列表
     */
    @PostMapping("/region/households/batch")
    public List<HouseholdInfoDTO> getHouseholdsByIds(@RequestBody List<Long> householdIds) {
        log.info("Feign接口：批量获取房户信息，householdIds: {}", householdIds);
        // TODO: 待IHouseholdService实现getHouseholdsByIdsForFeign方法
        log.warn("Feign接口：IHouseholdService.getHouseholdsByIdsForFeign方法尚未实现");
        return Collections.emptyList();
    }

    /**
     * 批量获取楼栋信息
     * 
     * @param buildingIds 楼栋ID列表
     * @return 楼栋信息列表
     */
    @PostMapping("/region/buildings/batch")
    public List<BuildingInfoDTO> getBuildingsByIds(@RequestBody List<Long> buildingIds) {
        log.info("Feign接口：批量获取楼栋信息，buildingIds: {}", buildingIds);
        // TODO: 待IBuildingService实现getBuildingsByIdsForFeign方法
        log.warn("Feign接口：IBuildingService.getBuildingsByIdsForFeign方法尚未实现");
        return Collections.emptyList();
    }

    /**
     * 批量获取单元信息
     * 
     * @param unitIds 单元ID列表
     * @return 单元信息列表
     */
    @PostMapping("/region/units/batch")
    public List<UnitInfoDTO> getUnitsByIds(@RequestBody List<Long> unitIds) {
        log.info("Feign接口：批量获取单元信息，unitIds: {}", unitIds);
        // TODO: 待IUnitService实现getUnitsByIdsForFeign方法
        log.warn("Feign接口：IUnitService.getUnitsByIdsForFeign方法尚未实现");
        return Collections.emptyList();
    }

    /**
     * 批量获取社区信息
     * 
     * @param communityIds 社区ID列表
     * @return 社区信息列表
     */
    @PostMapping("/region/communities/batch")
    public List<CommunityInfoDTO> getCommunitiesByIds(@RequestBody List<Long> communityIds) {
        log.info("Feign接口：批量获取社区信息，communityIds: {}", communityIds);
        try {
            return communityService.getCommunitiesByIdsForFeign(communityIds);
        } catch (Exception e) {
            log.error("Feign接口：批量获取社区信息失败，communityIds: {}", communityIds, e);
            return Collections.emptyList();
        }
    }
    
    /**
     * 根据社区ID获取房户ID集合
     * 用于业主统计功能，获取指定社区下的所有房户ID
     * 
     * @param communityIds 社区ID列表
     * @return 房户ID列表
     */
    @PostMapping("/region/household-ids/by-communities")
    public List<Long> getHouseholdIdsByCommunityIds(@RequestBody List<Long> communityIds) {
        log.info("Feign接口：根据社区ID获取房户ID集合，communityIds: {}", communityIds);
        try {
            return householdService.getHouseholdIdsByCommunityIds(communityIds);
        } catch (Exception e) {
            log.error("Feign接口：根据社区ID获取房户ID集合失败，communityIds: {}", communityIds, e);
            return Collections.emptyList();
        }
    }
}
